Bestway 18ft Steel Frame Solar Pool Cover insulates an 18ft Steel Frame pool and prevents insects and beetles, leaves and twigs, and other debris from accumulating inside it. The solar cover simply floats on top of the pool water. Durable material, which is similar to bubble wrap, has been used to design the pool cover. The air bubbles absorb heat from the sun and warm the water. Their insulating ability ensures the heat stays locked inside the pool. The pool cover can also save money on regularly topping up water because it reduces evaporation. Because it prevents debris from building up inside a pool it can also save cash on cleaning and maintenance. Bestway 18ft Steel Frame Solar Pool Cover is absolutely essential for owners of an 18ft Steel Frame pool. In fact, it provides such fantastic insulation that it can heat your pool for weeks after the sunny season has ended! Warning! Not a safety cover! Adult supervision is recommended at all times when children are around pools. In addition to heating your pool, it also keeps out any unwanted debris so you spend less time removing leaves and insects. Easy to fit, this pool cover can be fitted in seconds and simply floats in place on the pool's surface. Including a carrying bag, once not in use it can be packed up and stored easily, ready for its next use. The 18ft Solar Pool Cover comes with one solar pool cover and is designed to fit above-ground pools up to 5.49m (18ft) in diameter. This Bestway pool cover is made with a material that prevents heat from escaping and keeps pool water warm by utilizing solar energy. The solar pool cover stops water from evaporating due to dry winds or free-chlorine loss caused by UV rays. Keeps debris out of your pool to help maintain healthy pool water and a clean swimming environment. Specifications: Size: 18 ft Colour: Blue Material: PE Brand: Bestway Style: Pool Cover Box Includes: Bestway Flowclear Blue Solar Pool Cover, 18ft